# Chapter 18: Fluids

Difficulty Level:

**At Grade**Created by: CK-12

**License**: CC BY-NC 3.0

## The Big Idea

In studying fluids we apply the concepts of force, momentum, and energy — which we have learned previously — to new phenomena. Since fluids are made from a large number of individual molecules, we have to look at their behavior as an ensemble and not individually. For this reason, we use the concept of conservation of *energy density* in place of conservation of energy. Energy density is energy divided by volume.

## Chapter Outline

### Chapter Summary

### Image Attributions

**[1]****^**License: CC BY-NC 3.0

## Description

We study fluids and apply the concepts of force, momentum, and energy. The concept of conservation of energy density in place of conservation of energy is presented as well as Archimedes’ Principle, Pascal’s Principle, Bernoulli’s Principle.

## Authors:

## Tags:

algebraic sum
arbitrary level
Archimedes’ Principle
(18 more)
Bernoulli’s Principle
CK.SCI.ENG.SE.1.Physics-People's-Physics-(Video).18
compress
continuity equation
Density
density of water
Energy density
gravitational
gravitational energy
gravitational potential energy
kinetic energy
liquids
Mass
mass density
momentum
Pascal’s Principle
specific gravities
water

## Subjects:

## Search Keywords:

water
kinetic energy
Density
(18 more)
liquids
momentum
gravitational potential energy
gravitational
Bernoulli’s Principle
Pascal’s Principle
Archimedes’ Principle
algebraic sum
specific gravities
arbitrary level
compress
continuity equation
gravitational energy
mass density
Energy density
density of water
CK.SCI.ENG.SE.1.Physics-People's-Physics-(Video).18

## Date Created:

Feb 23, 2012## Last Modified:

Aug 10, 2015**Save or share your relevant files like activites, homework and worksheet.**

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